GK600 User Manual Chapter 7 Troubleshooting
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Fault
code
Fault
display
Fault description
Causes
Solutions
37
oCr
Overcurrent
benchmark
error
SMPS failed
Seek services
Control board failed
Seek services
38
SP1
5V supply
out-of-limit
SMPS failed
Seek services
Control board failed
Seek services
39
SP2
10V supply
out-of-limit
SMPS failed
Seek services
Control board failed
Seek services
40
AIP
AI input
out-of-limit
Control board failed
Seek services
AI input is too high or
low
Set AI input within correct
range
41
LoU
Undervoltage
protection
DC bus voltage is too
low
Check input voltage if it is
too low or the drive is the
process of power loss
45
Plo
PID feedback
lost
Abnormal
PID
feedback
channel
abnormal
Check
the
feedback
channel
Inappropriate setting
of PID parameters
Set properly
46
PFS
Abnormal
Profibus
communication
Communication wiring
problem
Rewiring
Severe ambient EMI
Check peripheral
equipment or seek
services
ATTENTION:
When a fault occurs, please identify the causes and seek solutions according the guidance
in the table. If the fault fails to be solved, do not apply power to the drive again. Contact the
supplier for service in time.
